18650 battery and charger kit combo with batteries
Amazon.com: 18650 Battery Charger 2 Bay Fast Charger, for Rechargeable Batteries 3.7V Li-ion 18650,26650 Battery, Comes with 4X Flat Head Rechargeable Battery Chargers and Super Bright Flashlight : Electronics
Amazon.com: 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery (not Including Battery : Electronics
Rechargeable 18650 Li-Ion 3.7V 2500mAh Batteries Lot + Case Box for Flashlight Headlight Bicycle Light-4 Pack with Charger - Walmart.com